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<p class="header"><a class="header" href="Atlantis.htm">Space Shuttle Atlantis</a> | <a class="header" href="BayOp.htm">Payload Bay Operations</a></p>
<h1>Bay Door Operation</h1>
<p>

<h2>Bay door opening sequence:</h2>
<ul>
<li>Set the <i>PL BAY DOOR</i> switch to STOP.
<li>Set the <i>PL BAY DOOR SYS 1</i> and <i>SYS 2</i> switches to ENABLE.
<li>Set the <i>PL BAY DOOR</i> switch to OPEN.
<li>Wait until the OP/CL status of the talkback indicator shows OP.
<li>Set the <i>PL BAY DOOR</i> switch to STOP.
<li>Set <i>PL BAY DOOR SYS 1</i> and <i>SYS 2</i> switches to DISABLE.
</ul>

<h2>Bay door closing sequence:</h2>
<ul>
<li>Make sure that the radiators, Ku-band antenna and RMS arm are stowed.
<li>Set the <i>PL BAY DOOR</i> switch to STOP.
<li>Set the <i>PL BAY DOOR SYS 1</i> and <i>SYS 2</i> switches to ENABLE.
<li>Set the <i>PL BAY DOOR</i> switch to CLOSE.
<li>Wait until the OP/CL status of the talkback indicator shows CL.
<li>Set the <i>PL BAY DOOR</i> switch to STOP.
<li>Set <i>PL BAY DOOR SYS 1</i> and <i>SYS 2</i> switches to DISABLE.
</ul>

Ref: Operations Manual Sec. 2.17.

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